HER251 데이터 시트보기 (PDF) - New Jersey Semiconductor
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HER251 Datasheet PDF : 2 Pages
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RATING AND CHARACTERISTIC CURVES ( HER251 - HER258 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
!
+ 05 A
50Vdc
(approx)
~r D.U.T,
PULSE
GENERATOR
( NOTE 2 )
OSCILLOSCOPE
( NOTE 1 )
0
-0.25 A
-1.0A
NOTES : 1 Rise Time = 7 ns max , Input Impedance = 1 megaohlm, 22 pp.
2 Rise time - 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types
^\ cm
\
S~~
/
/
J
SET TIME BASE FOR 25-35 ns/c
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
\- to
3O mo:
Qo; £^
\R
\C
ce
O
LL
1.0
LU
O
< Q:
0.5
\E LO
\D NT
" 60HZ RESIST
.j
D 25 50 7 5 100 125 150 1
AMBIENT TEMPERATURE, ( °C)
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
^\ 3.3 nns SIN(3LE HALF SINE WAVE
Ta = 50 °C
N
X •x.
~ -,
\
X
•-v
\^
2
4 6 10 20
40 60 100
NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
jlse Width = 300
,-—*
^^~ .
to
LU
OL
— 2% Duty C ycle
^" Tj = 26 •c
/^
f
t
/
/
/
1.0
O
Q
OL
I
O
0
HER251-HEF »b
i—
t
/
1
—i
-4 1
/ / HER; 56-H ER258
//
//
tf/? /
/V/
0.2 04 06 08 10 1.2 1.4 16
18 20
FORWARD VOLTAGE, VOLTS
0.01
20
40
60 80
100 120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
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